Suffolk County and Riverhead Town property record for 510 Sweezy Ave, Riverhead, NY 11901
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1.5 ba · 2,020 sqft · built 1997 |
| Lot Size | 0.35 acres (15,246 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $126,000 (Jun 1999) |
| Tax Bill | $9,761 (2024) |
| Flood Zone | Zone X (minimal risk) |
| APN | 473000 123.-2-78.1 |
| Primary APN | 473000 123.-2-78.1 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 2,020 sqft Living Area |
| 1st Floor Area | 1,220 sqft |
| Basement Area | 800 sqft |
| Finished Basement | 800 sqft |
| Year Built | Built 1997 |
|---|---|
| Effective Year Built | Effective 2003 |
| Architectural Style | Raised Ranch |
| Exterior Material | Aluminum/Vinyl |
| Lot Area | 15,246 sqft (0.35 acres) |
| Lot Dimensions | 152 ft deep x 100 ft wide |
| Garage Type | Basement |
| Porch | Open Porch |
| Porch Area | 120 sqft |
| Heating System | Hot Water |
|---|---|
| Heating Fuel | Oil |
| Water Source | Commercial |
| Account Number | 04 |
|---|---|
| Street Address | 510 SWEEZY AVE |
| City | RIVERHEAD |
| State | NY |
| Zip | 11901-2941 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | 03 |
| Legal Description | *491 & NO PART L 83 WM H SWEEZY LTS 57 TO 60 INC |
| Legal Block | 2 |
| Legal Lot Number | 78 |
| Jurisdiction | SUFFOLK NY |
| Township / Civil Division | RIVERHEAD |
| Census Block Group | 1 |
| Census Block | 1008 |
| Census Tract | 169800 |
Source: Suffolk County and Riverhead Town records, as of August 11, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | 2 Individual Names on Record |
|---|---|
| Mailing Address | 510 SWEEZY AVE, RIVERHEAD, NY 11901-2941 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jun 25, 1999 · Amount on Record |
| Deed Sale | Jun 25, 1999 · Amount on Record |
| Prior Sale | Jun 25, 1999 · Amount on Record |
| Deed Book / Page | 11971 / 666 |
| Prior Transfer Date | Apr 15, 1999 |
| Prior Transfer Doc | 1197000665 |
| Record Updated | Oct 29, 2026 |
Source: Suffolk County and Riverhead Town assessment roll, as of August 11, 2026
| Type | Name |
|---|---|
| State | New York |
| County | Suffolk County |
| County Subdivision | Riverhead Town |
| Unified School District | Riverhead Central School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $45,400 (-) Land $8,400 Building $37,000 | $556,373 (+13.85%) Land $102,941 Building $453,431 | |
| 2024 | $9,761.00 | ||
| 2023 | $45,400 (-) Land $8,400 Building $37,000 | $488,698 (+9.15%) Land $90,420 Building $398,278 | |
| 2022 | Homeowner's exemption | $45,400 Land $8,400 Building $37,000 | $447,732 Land $82,840 Building $364,892 |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
Source: FEMA National Flood Hazard Layer, effective September 18, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 1 in force |
| Nearby Flood Claims | 3 (1979–2008) |
| Claims Outside the SFHA | 3 of 3 |
| Most Recent Claim | Sep 2008 · rainfall accumulation |
Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 80% of the US · above 54% of New York |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | None beyond ember reach |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | RIVERHEAD WATER DISTRICT serves 35,000 people · EPA ID NY5103705 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Jul 2025 |
| Lead | 2 ppb (2025–2027) action level 15 ppb |
| Water Quality | Nitrite resolved · Jul 2023 |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None last 3 years |
Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.
Source: FCC Broadband Data Collection, based on 212 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Optimum Fiber · Cable | 8,000 / 8,000 |
May also be available: Verizon.
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